Every employer, self-employed persons included, displays or provides guide safety precautions to anyone who may be affected by the way the undertaking is conducted, whether or not that person is the employer's worker, and displays all information in the employer's possession or control about how the undertaking is run that could bear on anyone's health or safety.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.